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Circular Slide Rule

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  • Featured Refinements: Circular Slide Rule- Selected

    • Micro Switch Concise Chemical Science Tables and Circular Slide Rule Vintage - Image 1 of 2
    • Micro Switch Concise Chemical Science Tables and Circular Slide Rule Vintage - Image 2 of 2

    Micro Switch Concise Chemical Science Tables and Circular Slide Rule Vintage

    PHP 4,156.80
    or Best Offer
    PHP 1,601.75 shipping
    E⁣S⁣F⁣ ⁣Q⁣p⁣F⁣ ⁣o⁣W⁣1⁣n⁣ ⁣s⁣o⁣r⁣3⁣J⁣ ⁣е⁣d⁣⁣L⁣O⁣ ⁣P⁣⁣⁣
    • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 1 of 3
    • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 2 of 3
    • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 3 of 3

    Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

    Brand New
    PHP 2,042.93
    PHP 387.97 shipping
    38 watching
    Ѕ⁣p⁣L⁣6⁣ ⁣L⁣o⁣C⁣n⁣s⁣ ⁣o⁣V⁣Z⁣r⁣ ⁣e⁣d⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣6⁣
    • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 1 of 3
    • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 2 of 3
    • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 3 of 3

    Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

    Brand New
    PHP 2,663.68
    Free shipping
    E⁣S⁣R⁣ ⁣р⁣L⁣S⁣o⁣ ⁣S⁣9⁣n⁣s⁣ ⁣o⁣Y⁣r⁣e⁣d⁣⁣E⁣ ⁣⁣⁣P⁣I⁣ ⁣N⁣
    • Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1 - Image 1 of 4
    • Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1 - Image 2 of 4
    • Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1 - Image 3 of 4
    • Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1 - Image 4 of 4

    Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1

    Pre-Owned
    PHP 7,482.24
    or Best Offer
    PHP 830.81 shipping
    4⁣W⁣S⁣ ⁣p⁣2⁣o⁣n⁣s⁣H⁣ ⁣о⁣X⁣D⁣ ⁣B⁣E⁣ ⁣r⁣e⁣F⁣0⁣d⁣⁣⁣ ⁣⁣⁣
  • Vtg Scientific Instruments Co SIC Pro Circular Slide Rule No 1610-D 1963 - Image 1 of 3

    Vtg Scientific Instruments Co SIC Pro Circular Slide Rule No 1610-D 1963

    Pre-Owned
    PHP 7,482.24
    PHP 1,994.16 shipping
    10 watching
    ⁣6⁣N⁣ ⁣⁣8⁣A⁣⁣ ⁣5⁣8⁣⁣ ⁣D⁣⁣⁣⁣W⁣ ⁣D⁣0⁣⁣⁣⁣⁣⁣⁣⁣
  • Vintage Climb & Descent Tabulator / Rest Computer A4D-1,2 Circular Slide Rule - Image 1 of 4

    Vintage Climb & Descent Tabulator / Rest Computer A4D-1,2 Circular Slide Rule

    Pre-Owned
    PHP 1,659.95
    PHP 1,857.81 shipping
    0 bids
    1d 5h
    0⁣Y⁣⁣ ⁣B⁣I⁣⁣ ⁣⁣⁣⁣S⁣⁣⁣K⁣ ⁣T⁣I⁣ ⁣⁣⁣Y⁣⁣⁣⁣⁣Y⁣⁣
  • NCPI Gravity Flow Hydraulics Calculator - Circular Slide Rule - Image 1 of 4

    New ListingNCPI Gravity Flow Hydraulics Calculator - Circular Slide Rule

    PHP 830.81
    or Best Offer
    PHP 1,858.37 shipping
    ⁣8⁣I⁣⁣ ⁣⁣⁣N⁣Y⁣ ⁣⁣⁣⁣T⁣A⁣⁣⁣ ⁣⁣H⁣Y⁣ ⁣⁣D⁣⁣⁣⁣O⁣
  • Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm - Image 1 of 4

    Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

    Brand New
    PHP 2,575.55
    Free shipping
    Only 1 left!
    ⁣⁣0⁣⁣Y⁣⁣⁣ ⁣⁣8⁣P⁣ ⁣L⁣⁣R⁣ ⁣4⁣⁣9⁣ ⁣⁣1⁣5⁣ ⁣B⁣B⁣⁣⁣
  • Circular slide rule KL-1 Soviet vintage USSR in boxing 1970s - Image 1 of 4

    New ListingCircular slide rule KL-1 Soviet vintage USSR in boxing 1970s

    Pre-Owned
    PHP 2,770.65
    or Best Offer
    PHP 831.36 shipping
    B⁣⁣⁣B⁣ ⁣⁣⁣K⁣3⁣⁣ ⁣⁣⁣N⁣⁣D⁣⁣⁣⁣ ⁣⁣Y⁣L⁣ ⁣6⁣G⁣⁣ ⁣
  • VTG Logarithmic Mathematical Circular Slide Rule KL-1 Calculator 1966 Excellent - Image 1 of 4

    VTG Logarithmic Mathematical Circular Slide Rule KL-1 Calculator 1966 Excellent

    Pre-Owned
    PHP 3,048.32
    PHP 640.15 shipping
    11 watching
    2⁣X⁣⁣ ⁣D⁣⁣⁣⁣4⁣ ⁣Q⁣⁣⁣E⁣⁣ ⁣⁣Q⁣⁣P⁣⁣⁣⁣⁣⁣⁣ ⁣G⁣
  • Smith Chart Calculator & Mega-Rule - Radio Transmission Line Circular Slide Rule - Image 1 of 4

    Smith Chart Calculator & Mega-Rule - Radio Transmission Line Circular Slide Rule

    Brand New
    PHP 6,928.00
    PHP 2,223.61 shipping
    12 watching
    K⁣⁣⁣⁣I⁣⁣ ⁣⁣⁣G⁣⁣⁣⁣⁣⁣I⁣ ⁣3⁣⁣⁣V⁣ ⁣⁣⁣⁣⁣3⁣W⁣
  • 1955~15" circular cardboard slide rule~Borg-Warner Controls~product model #s - Image 1 of 4

    1955~15" circular cardboard slide rule~Borg-Warner Controls~product model #s

    Pre-Owned
    PHP 379.65
    PHP 312.59 shipping
    0 bids
    5h 20m
    ⁣W⁣W⁣ ⁣⁣R⁣⁣⁣⁣⁣⁣P⁣ ⁣K⁣⁣B⁣⁣ ⁣W⁣⁣X⁣⁣⁣⁣⁣⁣⁣⁣
  • Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm NEW - Image 1 of 2

    Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm NEW

    Brand New
    PHP 1,667.15
    PHP 387.97 shipping
    32 watching
    B⁣⁣M⁣ ⁣⁣X⁣3⁣ ⁣⁣K⁣4⁣ ⁣⁣L⁣J⁣ ⁣5⁣D⁣⁣ ⁣⁣8⁣⁣⁣⁣⁣ ⁣⁣
  • Weems & Plath Nautical Slide Rule 105 Circular Dials Annapolis, MD USA Sailing - Image 1 of 4

    Weems & Plath Nautical Slide Rule 105 Circular Dials Annapolis, MD USA Sailing

    Pre-Owned
    PHP 828.59
    or Best Offer
    PHP 1,834.53 shipping
    T⁣M⁣ ⁣R⁣Q⁣Ѕ⁣p⁣o⁣ ⁣S⁣n⁣s⁣T⁣o⁣r⁣ ⁣F⁣N⁣e⁣d⁣⁣ ⁣R⁣K⁣ ⁣H⁣⁣⁣
  • Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm - Image 1 of 3

    Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm

    Brand New
    PHP 2,210.86
    Free shipping
    Only 1 left!
    S⁣p⁣o⁣n⁣s⁣H⁣H⁣ ⁣Y⁣W⁣о⁣r⁣ ⁣G⁣e⁣D⁣ ⁣S⁣d⁣H⁣ ⁣⁣⁣U⁣Y⁣⁣ ⁣⁣
  • CONCISE Circular slide rule Stadia Made in Japan NEW - Image 1 of 3

    CONCISE Circular slide rule Stadia Made in Japan NEW

    Brand New
    PHP 2,760.12
    Free shipping
    S⁣P⁣p⁣o⁣n⁣s⁣o⁣r⁣G⁣ ⁣е⁣d⁣D⁣⁣⁣⁣⁣⁣F⁣ ⁣⁣⁣V⁣T⁣ ⁣8⁣F⁣ ⁣
  • Concise ruler 28N 100973 English Ver. Circular slide rule - Image 1 of 4

    Concise ruler 28N 100973 English Ver. Circular slide rule

    Brand New
    PHP 1,471.51
    Free shipping
    17 watching
    K⁣⁣A⁣ ⁣W⁣⁣I⁣ ⁣⁣⁣9⁣⁣⁣⁣⁣E⁣⁣⁣ ⁣C⁣Q⁣⁣ ⁣4⁣5⁣⁣ ⁣G⁣
  • Vintage Loga Scholar Circular Duplex Slide Rule Uster-Suisse Model 30Tt w/Sleeve - Image 1 of 4

    Vintage Loga Scholar Circular Duplex Slide Rule Uster-Suisse Model 30Tt w/Sleeve

    Pre-Owned
    PHP 2,494.08
    PHP 1,930.42 shipping
    1 bid
    1d 21h
    ⁣G⁣⁣⁣K⁣⁣⁣⁣⁣ ⁣⁣Z⁣6⁣ ⁣C⁣⁣1⁣⁣ ⁣⁣⁣R⁣⁣2⁣ ⁣⁣3⁣J⁣
  • Gilson The Binary Slide Rule - Circular Slide Rule COPYRIGHTED 1931 & 1940 - Image 1 of 4

    New ListingGilson The Binary Slide Rule - Circular Slide Rule COPYRIGHTED 1931 & 1940

    Pre-Owned
    PHP 1,271.98
    PHP 2,182.04 shipping
    1 bid
    6d
    2⁣G⁣⁣⁣⁣⁣⁣⁣ ⁣0⁣⁣⁣⁣8⁣⁣ ⁣⁣⁣⁣⁣⁣⁣5⁣⁣K⁣ ⁣⁣⁣
  • Concise Ruler Circular Slide Rule No. 300 100829 110mm Made IN JAPAN - Image 1 of 3

    New ListingConcise Ruler Circular Slide Rule No. 300 100829 110mm Made IN JAPAN

    Brand New
    PHP 2,518.47
    Free shipping
    P⁣I⁣ ⁣⁣C⁣⁣6⁣⁣⁣⁣ ⁣⁣L⁣9⁣⁣ ⁣U⁣W⁣ ⁣⁣T⁣⁣Z⁣⁣ ⁣⁣M⁣⁣
  • CONCISE Circular slide rule 28N (English Ver.) Made in Japan NEW - Image 1 of 4

    CONCISE Circular slide rule 28N (English Ver.) Made in Japan NEW

    Brand New
    PHP 1,612.28
    Free shipping
    Only 1 left!
    ⁣A⁣⁣V⁣⁣⁣⁣ ⁣H⁣⁣S⁣ ⁣U⁣G⁣ ⁣T⁣0⁣⁣ ⁣5⁣⁣⁣2⁣⁣ ⁣⁣7⁣⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967 - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967

    Pre-Owned
    PHP 2,216.41
    or Best Offer
    PHP 886.78 shipping
    13 watching
    ⁣⁣⁣⁣⁣J⁣Q⁣ ⁣J⁣6⁣ ⁣⁣⁣⁣⁣⁣⁣X⁣3⁣⁣ ⁣Q⁣⁣Z⁣ ⁣G⁣⁣G⁣
  • Amphenol Radio Transmission Line Calculator Smith Chart Circular Slide Rule - Image 1 of 4

    Amphenol Radio Transmission Line Calculator Smith Chart Circular Slide Rule

    Pre-Owned
    PHP 6,872.58
    PHP 1,976.42 shipping
    7⁣S⁣ ⁣⁣⁣C⁣⁣1⁣ ⁣E⁣Q⁣⁣ ⁣7⁣L⁣ ⁣C⁣W⁣ ⁣N⁣⁣⁣⁣⁣⁣ ⁣⁣⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR

    Pre-Owned
    PHP 1,662.72
    or Best Offer
    PHP 665.09 shipping
    3⁣⁣C⁣⁣ ⁣G⁣⁣K⁣⁣ ⁣⁣⁣T⁣R⁣⁣⁣⁣ ⁣⁣3⁣⁣⁣I⁣⁣ ⁣⁣⁣V⁣
  • Vintage XIHU Stadia Circular Slide Rule/China slide rule - Image 1 of 4

    Vintage XIHU Stadia Circular Slide Rule/China slide rule

    Pre-Owned
    PHP 4,988.16
    or Best Offer
    PHP 1,108.48 shipping
    X⁣⁣⁣⁣⁣J⁣ ⁣4⁣⁣C⁣⁣⁣⁣⁣⁣⁣ ⁣⁣Q⁣I⁣⁣ ⁣R⁣9⁣ ⁣0⁣Q⁣⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR - Image 1 of 4

    New ListingEngineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR

    Pre-Owned
    PHP 553.69
    PHP 831.36 shipping
    0 bids
    4d 11h
    G⁣G⁣ ⁣V⁣O⁣ ⁣F⁣⁣G⁣⁣ ⁣⁣D⁣C⁣⁣ ⁣D⁣C⁣⁣ ⁣⁣⁣⁣C⁣⁣ ⁣⁣⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR

    Pre-Owned
    PHP 1,385.60
    or Best Offer
    PHP 665.09 shipping
    S⁣5⁣ ⁣Y⁣5⁣⁣ ⁣⁣9⁣⁣⁣D⁣⁣ ⁣9⁣⁣⁣⁣⁣5⁣⁣⁣⁣⁣ ⁣7⁣⁣⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967 - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967

    Pre-Owned
    PHP 830.81
    or Best Offer
    PHP 886.78 shipping
    0 bids
    5d
    ⁣O⁣U⁣ ⁣⁣⁣1⁣⁣G⁣⁣⁣ ⁣⁣⁣G⁣Z⁣ ⁣⁣⁣⁣⁣Q⁣⁣N⁣ ⁣⁣M⁣7⁣
  • Rare 1950's Bulgaria Bulgarian Circular Slide Rule Calendar Road Map Distance - Image 1 of 4

    Rare 1950's Bulgaria Bulgarian Circular Slide Rule Calendar Road Map Distance

    Pre-Owned
    PHP 4,156.80
    or Best Offer
    PHP 554.24 shipping
    R⁣S⁣W⁣ ⁣G⁣W⁣p⁣о⁣n⁣ ⁣s⁣3⁣T⁣o⁣r⁣ ⁣e⁣d⁣⁣⁣L⁣L⁣ ⁣⁣U⁣⁣J⁣⁣
  • Slide rule, circular, KL-1, vintage, original, USSR - Image 1 of 4

    Slide rule, circular, KL-1, vintage, original, USSR

    Pre-Owned
    PHP 2,216.41
    or Best Offer
    PHP 719.96 shipping
    S⁣p⁣o⁣n⁣G⁣P⁣ѕ⁣ ⁣o⁣6⁣E⁣r⁣e⁣ ⁣d⁣Z⁣⁣⁣Z⁣⁣⁣⁣⁣⁣⁣⁣ ⁣K⁣
  • Concise No. 260 Circular Slide Rule Made In Japan Takeda - Caterpillar Line - Image 1 of 2

    Concise No. 260 Circular Slide Rule Made In Japan Takeda - Caterpillar Line

    Pre-Owned
    PHP 1,472.06
    Was: PHP 1,963.12was - PHP 1,963.12
    or Best Offer
    PHP 1,755.28 shipping
    B⁣S⁣X⁣ ⁣p⁣о⁣n⁣s⁣o⁣V⁣r⁣e⁣T⁣d⁣⁣⁣ ⁣Q⁣U⁣⁣⁣⁣ ⁣L⁣Z⁣⁣ ⁣⁣
  • Vintage Controller Mod. 75 R Circular Slide Rule Calculator Tool In Case GUC - Image 1 of 4

    Vintage Controller Mod. 75 R Circular Slide Rule Calculator Tool In Case GUC

    Pre-Owned
    PHP 5,763.54
    Was: PHP 7,204.57was - PHP 7,204.57
    or Best Offer
    PHP 2,162.09 shipping
    S⁣3⁣p⁣B⁣ ⁣R⁣J⁣ ⁣L⁣o⁣n⁣s⁣o⁣U⁣ ⁣H⁣3⁣ ⁣N⁣1⁣ ⁣r⁣Z⁣е⁣d⁣⁣⁣ ⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1965 - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1965

    Pre-Owned
    PHP 2,010.23
    or Best Offer
    PHP 1,385.60 shipping
    ⁣⁣2⁣⁣⁣⁣Y⁣⁣⁣⁣ ⁣L⁣6⁣⁣ ⁣⁣3⁣V⁣⁣⁣ ⁣⁣1⁣X⁣ ⁣W⁣H⁣ ⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967 - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967

    Pre-Owned
    PHP 331.99
    or Best Offer
    PHP 886.78 shipping
    0 bids
    6d 18h
    ⁣⁣1⁣⁣M⁣⁣⁣⁣⁣ ⁣⁣⁣⁣⁣⁣C⁣9⁣ ⁣⁣⁣X⁣W⁣⁣⁣ ⁣⁣Q⁣1⁣
  • Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1 - Image 1 of 4

    Anniversary 50th of the October 1967 RARE Engineer Logarithmic Slide Rule KL-1

    Pre-Owned
    PHP 3,602.56
    or Best Offer
    PHP 830.81 shipping
    ⁣O⁣⁣5⁣⁣⁣⁣⁣⁣⁣ ⁣F⁣R⁣⁣⁣⁣ ⁣N⁣⁣⁣⁣⁣2⁣ ⁣⁣⁣S⁣⁣
  • Gilson The Binary Slide Rule - Circular Slide Rule COPYRIGHTED 1931 & 1940 - Image 1 of 4

    Gilson The Binary Slide Rule - Circular Slide Rule COPYRIGHTED 1931 & 1940

    Pre-Owned
    PHP 2,493.53
    or Best Offer
    PHP 2,279.03 shipping
    12 watching
    ⁣⁣R⁣U⁣ ⁣V⁣E⁣⁣ ⁣⁣⁣3⁣U⁣⁣⁣⁣⁣ ⁣A⁣J⁣ ⁣⁣⁣⁣V⁣2⁣⁣⁣
  • VERY RARE!!! SPUTNIK KALIBR USSR Vintage Logarithmic Circular Slide Rule - Image 1 of 4

    VERY RARE!!! SPUTNIK KALIBR USSR Vintage Logarithmic Circular Slide Rule

    Pre-Owned
    PHP 15,795.84
    or Best Offer
    PHP 1,108.48 shipping
    F⁣Y⁣ ⁣⁣⁣G⁣L⁣⁣⁣⁣⁣⁣ ⁣R⁣L⁣ ⁣⁣W⁣M⁣⁣ ⁣⁣8⁣Q⁣ ⁣⁣⁣V⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR

    Pre-Owned
    PHP 1,551.32
    or Best Offer
    PHP 665.09 shipping
    R⁣8⁣⁣ ⁣B⁣⁣⁣W⁣⁣⁣ ⁣⁣G⁣⁣⁣2⁣⁣⁣⁣⁣⁣⁣⁣ ⁣⁣M⁣I⁣⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR

    Pre-Owned
    PHP 2,216.41
    or Best Offer
    PHP 664.53 shipping
    S⁣p⁣o⁣Z⁣C⁣n⁣s⁣о⁣ ⁣r⁣9⁣e⁣d⁣⁣1⁣ ⁣⁣4⁣⁣L⁣⁣ ⁣⁣R⁣⁣⁣I⁣ ⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR L - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR L

    Pre-Owned
    PHP 1,939.29
    or Best Offer
    PHP 664.53 shipping
    10 watching
    S⁣p⁣o⁣n⁣ѕ⁣R⁣D⁣o⁣r⁣ ⁣e⁣5⁣P⁣d⁣ ⁣V⁣G⁣ ⁣⁣G⁣E⁣⁣ ⁣A⁣⁣5⁣ ⁣⁣
  • Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1 - Image 1 of 3

    Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1

    PHP 2,216.96
    or Best Offer
    PHP 387.97 shipping
    ⁣O⁣4⁣⁣ ⁣⁣3⁣5⁣ ⁣0⁣⁣E⁣ ⁣⁣⁣2⁣⁣⁣⁣I⁣⁣⁣ ⁣⁣1⁣⁣⁣O⁣
  • Weems & Plath 501V Vectormaster Marine Navy Circular Slide Rule Manual Brand New - Image 1 of 2

    Weems & Plath 501V Vectormaster Marine Navy Circular Slide Rule Manual Brand New

    Brand New
    PHP 4,156.80
    or Best Offer
    PHP 2,327.81 shipping
    1⁣5⁣ ⁣⁣⁣S⁣6⁣⁣⁣ ⁣1⁣⁣⁣C⁣⁣⁣ ⁣6⁣6⁣ ⁣9⁣⁣⁣⁣E⁣ ⁣Q⁣⁣
  • CONCISE circular slide rule 27N 100805 Made in Japan NEW - Image 1 of 4

    CONCISE circular slide rule 27N 100805 Made in Japan NEW

    Brand New
    PHP 1,612.28
    Free shipping
    Only 1 left!
    ⁣V⁣J⁣⁣⁣⁣⁣⁣⁣ ⁣⁣O⁣2⁣ ⁣V⁣⁣6⁣⁣⁣⁣ ⁣⁣⁣S⁣B⁣⁣⁣ ⁣
  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Soviet Russian USSR

    Pre-Owned
    PHP 2,216.41
    or Best Offer
    PHP 665.09 shipping
    0⁣⁣⁣⁣C⁣ ⁣J⁣S⁣ ⁣V⁣⁣2⁣ ⁣⁣⁣⁣⁣7⁣C⁣⁣ ⁣⁣Y⁣⁣E⁣ ⁣A⁣⁣
  • Vintage USSR Slide Rule ЛСЛО-250-10П | 1985 Engineer Logarithmic Calculator - Image 1 of 4

    Vintage USSR Slide Rule ЛСЛО-250-10П | 1985 Engineer Logarithmic Calculator

    Pre-Owned
    PHP 1,107.93
    or Best Offer
    PHP 443.39 shipping
    ⁣⁣⁣1⁣⁣U⁣⁣ ⁣P⁣⁣U⁣ ⁣3⁣⁣H⁣ ⁣⁣⁣⁣S⁣H⁣⁣⁣⁣ ⁣O⁣M⁣ ⁣
  • Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1 - Image 1 of 2

    Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1

    PHP 1,662.72
    or Best Offer
    PHP 387.97 shipping
    ⁣V⁣⁣⁣Y⁣ ⁣⁣⁣⁣3⁣W⁣ ⁣8⁣⁣3⁣ ⁣⁣⁣B⁣⁣Q⁣⁣⁣ ⁣⁣⁣⁣⁣
  • Logarithmic Rule KL-1 Soviet Circular Slide Vintage Mathematical Calculator USSR - Image 1 of 4

    Logarithmic Rule KL-1 Soviet Circular Slide Vintage Mathematical Calculator USSR

    Pre-Owned
    PHP 1,219.33
    or Best Offer
    PHP 554.24 shipping
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  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR N - Image 1 of 2

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR N

    Pre-Owned
    PHP 2,216.41
    or Best Offer
    PHP 664.53 shipping
    ⁣H⁣⁣⁣5⁣⁣⁣⁣⁣ ⁣⁣M⁣U⁣ ⁣⁣W⁣⁣2⁣⁣⁣ ⁣8⁣⁣⁣⁣⁣⁣⁣
  • CONCISE Circular slide rule 480 Made in Japan NEW - Image 1 of 4

    CONCISE Circular slide rule 480 Made in Japan NEW

    Brand New
    PHP 2,767.87
    Free shipping
    Only 1 left!
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  • CONCISE circular slide rule NO.270N Made in Japan NEW - Image 1 of 3

    CONCISE circular slide rule NO.270N Made in Japan NEW

    Brand New
    PHP 2,316.17
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  • Vintage Pickett Circular Slide Rule 101-C with Case & Manual • READ - Image 1 of 4

    Vintage Pickett Circular Slide Rule 101-C with Case & Manual • READ

    Pre-Owned
    PHP 4,708.27
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  • Vintage Circular Slide Rule Logarithmic Engineer Mechanical Calculator KL-1 USSR - Image 1 of 4

    Vintage Circular Slide Rule Logarithmic Engineer Mechanical Calculator KL-1 USSR

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    PHP 3,879.13
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    Atlas Calculator Circular Slide Rule Type-3 w/ Slip Case Vintage Drafting

    Pre-Owned
    PHP 5,542.40
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  • CONCISE Circular slide rule 28N English Ver. 100973 fromJapan - Image 1 of 4

    CONCISE Circular slide rule 28N English Ver. 100973 fromJapan

    Brand New
    PHP 1,418.85
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  • Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1 - Image 1 of 2

    Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1

    PHP 1,662.72
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  • vintage circular slide rule USSR KL-1 - Image 1 of 4

    vintage circular slide rule USSR KL-1

    PHP 1,607.30
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  • vintage BROWN BOVERI & Manual - Circular Slide Rule - For Motors - Image 1 of 4

    vintage BROWN BOVERI & Manual - Circular Slide Rule - For Motors

    Pre-Owned
    PHP 2,715.78
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  • 1967 Anniversary 50th of the October RARE Engineer Logarithmic Slide Rule KL-1 - Image 1 of 4

    1967 Anniversary 50th of the October RARE Engineer Logarithmic Slide Rule KL-1

    Pre-Owned
    PHP 7,204.57
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  • Circular slide rule 2 units. For parts. - Image 1 of 4

    Circular slide rule 2 units. For parts.

    Pre-Owned
    PHP 1,385.60
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  • Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator 1967 USSR - Image 1 of 4

    Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator 1967 USSR

    Pre-Owned
    PHP 2,770.65
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    PHP 664.53 shipping
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